Wilo Wilo-Sevio AIR, Инструкция по установке и эксплуатации

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Installation and operating instructions Wilo-Sevio AIR 69
MAINTENANCE English
cleaning materials and tools should be removed from it. All materials and tools should be
stored in an appropriate place.
• Appropriate protective clothing must be worn for cleaning and maintenance jobs. This
is to be disposed of in accordance with waste code TA 524 02 and EC Directive 91/689/
EEC.
• Only use genuine parts made by the manufacturer.
8.1. maintenance intervals
To ensure reliable operation, various maintenance tasks must be carried out regularly.
The maintenance intervals should be decided according to the demands placed on the
product. If strong vibrations occur during operation, the product or installation must be
checked, regardless of the maintenance intervals.
8.1.1. Intervals for normal operating conditions
Weekly during a brief period of shutdown
• Function run
• Drainage of the aerator system
Weekly during regular operation
• Cleaning the membrane surface
Annually during regular operation
• Leak check of the aerator group(s)
• Maintenance measures of the compressors/blower
• Changing the filter
8.1.2. Intervals for difficult operating conditions
For difficult operating conditions, the maintenance intervals stated should be shortened
accordingly. In this case, please contact Wilo customer service. If the products are to
be used in difficult conditions, we also recommend that you take out a maintenance
contract.
The following are considered difficult operating conditions:
• Large quantities of fibrous materials or sand in the fluid
• Heavily corrosive liquids
• Very aggressive liquids
• For industrial applications
8.1.3. measures recommended to ensure smooth operation
We recommend installation of a manometer in the intake line for the aerator group.
The current pressure allows small defects to be immediately detected and rectified as
necessary.